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GETBL (Super FX): Difference between revisions

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[[Category:Data Transfer Instructions]]
[[Category:Data Transfer Instructions]]
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Revision as of 18:04, 9 July 2024

Basic Info
Addressing Mode Opcode Length ROM Speed RAM Speed Cache Speed
Implied (type 1) 3EEF 2 bytes 6 to 10 cycles 6 to 9 cycles 2 to 6 cycles
Flags Affected
B ALT1 ALT2 O/V S CY Z
0 0 0 . . . .

GETBL (Get Byte Low) is a Super FX instruction that loads one byte from the ROM buffer into the low byte of the destination register. GETBL also loads the high byte of the source register into the high byte of the destination register.

The reason the cycle times can vary is because of the ROM buffer.

Syntax

GETBL

Example

Let:

(ROM Buffer) = 75h
Sreg : R2
Dreg : R6
R2 = 4abdh

After executing GETBL:

R6 = 4a75h

See Also

External Links